
#include "ScriptMgr.h"
#include "ScriptedCreature.h"

enum Yells
{
    YELL_AGGRO = 0,
    YELL_EVADE = 1,
    //YELL_RESPAWN1                                 = -1810010, // Missing in database
    //YELL_RESPAWN2                                 = -1810011, // Missing in database
    YELL_RANDOM = 2,
    YELL_SPELL = 3,
};

enum Spells
{
    SPELL_AVATAR = 19135,
    SPELL_THUNDERCLAP = 15588,
    SPELL_STORMBOLT = 20685 // not sure
};

class boss_vanndar : public CreatureScript
{
public:
    boss_vanndar() : CreatureScript("boss_vanndar") { }

    struct boss_vanndarAI : public ScriptedAI
    {
        boss_vanndarAI(Creature* creature) : ScriptedAI(creature)
        {
            Initialize();
        }

        void Initialize()
        {
            AvatarTimer = 3 * IN_MILLISECONDS;
            ThunderclapTimer = 4 * IN_MILLISECONDS;
            StormboltTimer = 6 * IN_MILLISECONDS;
            ResetTimer = 5 * IN_MILLISECONDS;
            YellTimer = urand(20 * IN_MILLISECONDS, 30 * IN_MILLISECONDS);
        }

        uint32 AvatarTimer;
        uint32 ThunderclapTimer;
        uint32 StormboltTimer;
        uint32 ResetTimer;
        uint32 YellTimer;

        void Reset() override
        {
            Initialize();
        }

        void JustEngagedWith(Unit* /*who*/) override
        {
            Talk(YELL_AGGRO);
        }

        bool CheckInRoom() override
        {
            if (me->GetDistance2d(me->GetHomePosition().GetPositionX(), me->GetHomePosition().GetPositionY()) > 50)
            {
                EnterEvadeMode();
                Talk(YELL_EVADE);
                std::list<Creature*> poolCreatures = me->GetMap()->GetAllCreaturesFromPool(me->GetCreaturePoolId());
                for (auto itr : poolCreatures)
                    if (itr->AI()) itr->AI()->EnterEvadeMode();
                return false;
            }

            return true;
        }

        void UpdateAI(uint32 diff) override
        {
            if (!UpdateVictim() || !CheckInRoom())
                return;

            if (AvatarTimer <= diff)
            {
                DoCastVictim(SPELL_AVATAR);
                AvatarTimer = urand(15 * IN_MILLISECONDS, 20 * IN_MILLISECONDS);
            }
            else AvatarTimer -= diff;

            if (ThunderclapTimer <= diff)
            {
                DoCastVictim(SPELL_THUNDERCLAP);
                ThunderclapTimer = urand(5 * IN_MILLISECONDS, 15 * IN_MILLISECONDS);
            }
            else ThunderclapTimer -= diff;

            if (StormboltTimer <= diff)
            {
                DoCastVictim(SPELL_STORMBOLT);
                StormboltTimer = urand(10 * IN_MILLISECONDS, 25 * IN_MILLISECONDS);
            }
            else StormboltTimer -= diff;

            if (YellTimer <= diff)
            {
                Talk(YELL_RANDOM);
                YellTimer = urand(20 * IN_MILLISECONDS, 30 * IN_MILLISECONDS); //20 to 30 seconds
            }
            else YellTimer -= diff;

            DoMeleeAttackIfReady();
        }
    };

    CreatureAI* GetAI(Creature* creature) const override
    {
        return new boss_vanndarAI(creature);
    }
};

void AddSC_boss_vanndar()
{
    new boss_vanndar;
}
